/* pipe, pipe2
 *
 * create pipe
 */

#include <unistd.h>

int pipe(int pipefd[2]);


#define _GNU_SOURCE
#include <fcntl.h>      /* Obtain O_* constant definitions */
#include <unistd.h>

int pipe2(int pipefd[2], int flags);

/*
 * pipe(): POSIX.1-2001, POSIX.1-2008.
 * pipe2() is Linux-specific.
 */
